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Ganymed-DEMOs

Demo 'Der Hof'

The demo-scene 'Der Hof' demonstrates the calculation of real-time shadows. Real-time effects like shadows and bump-mapping are rendered by using vertex-shader and pixel-shader programming, thus adding to the graphical quality of the scene without overly impacting it's performance.

Technology:

The shadow volumes are initiallly genereted with degenerate quads and are then deformed by the vertex shader of the light source. The method used for shadow calculation is called "depth-fail-method" which eliminates 'inversion problems' if the camera position happens to be inside a shadow volume. This demo was optimized for shader 2.0 to make visual effects like water and bump-specular mapping possible.

>> Download as ZIP-file (3.3 MB)

After the download, extract the contents of the archive into a directory of your choice and start the file "GPlayer.exe". Pressing F1 displays the controls of the scene.

System requirements: 1.3 GHz processor; DirectX9; Graphics card with shader support; recommended Shader 2.0 (GF5, ATI 9500 or better)

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last update: 03.01.2006